India Post — Why item is not delivered?

Respected sir, I, Rajeeb Kumar Malik...my father sent to me my original certificates for my study purpose..bt unfortunately, is not delivered..this certificate is very much important to me.my carrier depends on it..plese kindly help me...n do the needful..thank u...contact no..[protected] ```````````````... Detailed Track Events For EO[protected]IN Date Time Status at Status 22/09/2014 21:04:07 ICH BALASORE Item Received 22/09/2014 23:35:39 ICH BALASORE Item bagged for NSH BHUBANESWAR 23/09/2014 06:19:52 ICH BALASORE Bag Despatched to NSH BHUBANESWAR 23/09/2014 08:16:17 NSH BHUBANESWAR Bag Received 23/09/2014 08:17:10 NSH BHUBANESWAR Bag Opened 23/09/2014 08:17:10 NSH BHUBANESWAR Item Received 23/09/2014 11:15:44 NSH BHUBANESWAR Item bagged for NSH GUWAHATI 23/09/2014 12:02:00 NSH BHUBANESWAR Bagged in Transit Bag for KOLKATA AIRPORT TMO 23/09/2014 12:02:36 NSH BHUBANESWAR Transit Bag Despatched to KOLKATA AIRPORT TMO 24/09/2014 01:23:05 NSH KOLKATA AIRPORT Bag Received 24/09/2014 04:54:00 NSH KOLKATA AIRPORT Bagged in Transit Bag for NSH GUWAHATI 24/09/2014 06:26:46 NSH KOLKATA AIRPORT Transit Bag Despatched to NSH GUWAHATI 24/09/2014 18:01:35 NSH GUWAHATI Bag Received 24/09/2014 18:04:06 NSH GUWAHATI Bag Opened 24/09/2014 18:04:06 NSH GUWAHATI Item Received 24/09/2014 19:45:26 NSH GUWAHATI Item bagged for ICH SILCHAR 24/09/2014 21:09:41 NSH GUWAHATI Bag Despatched to ICH SILCHAR